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技術文章

常用材料聲速表
                             常用材料聲速表
                        in/us               m/s
鋁                    0.250              6305
鉍                    0.086              2184
黃銅                 0.173              4394
鈣                    0.109              2769
鑄鐵                 0.180（apprx）   4572
康銅                 0.206              5232
紫銅                 0.184              4674
環氧樹脂           0.100（apprx）   2540
白銅                 0.187              4750
玻璃                 0.223              5664
火石玻璃           0.168              4267
金                    0.128              3251
冰                    0.157              3988
鐵                    0.232              5893
鉛                    0.085              2159
鎂                    0.228              5791
汞                    0.057              1448
鎳                    0.222              5639
尼龍                 0.102（apprx）   2591
石蠟                 0.087              2210
鉑                    0.156              3962
有機玻璃           0.106              2692
聚苯乙烯           0.092              2337
陶瓷                 0.230（apprx）   5842
PVC                      0.094              2388
石英玻璃           0.222              5639
硫化橡膠           0.091              2311
銀                    0.142              3607
普通鋼              0.233              5918
不銹鋼              0.223              5664
斯太立硬質合金  0.275（apprx）   6985
聚四氟乙烯        0.065              1422
錫                    0.131               3327
鈦                    0.240               6096
鎢                    0.210               5334
鋅                    0.166               4216
水                    0.158               1473
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